Question

Is the relation in this table a function. Explain
Input: 2,4,6,8,10
output: 1,2,3,4,3

Answer 1

Yes.

Explanation:

This relation is a function because each input has one and only one output, i.e. 2 yields 1, 4 yields 2, 6 yields 3, 8 yields 4 and 10 has an output of 3. Therefore, it is a function.